Home / 15,856.65-23,787.68-5,465.97

Finding the Fourth Proportional to 15,856.65, 23,787.68 and 5,465.97

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Solution

The fourth proportional to 15,856.65, 23,787.68 and 5,465.97 is: 8,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856.65 : 23,787.68 = 5,465.97 : x
  2. Step 2: Convert to fraction form
    15,856.65/23,787.68 = 5,465.97/x
  3. Step 3: Cross multiply
    15,856.65x = 23,787.68 × 5,465.97
  4. Step 4: Simplify right side
    15,856.65x = 130,022,717.92
  5. Step 5: Solve for x
    x = 130,022,717.92/15,856.65
  6. Step 6: Final answer
    x = 8,199.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.